13220307

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 20486400

約数和(自身を除く): 7266093

約数列:

[1, 3, 9, 27, 43, 59, 129, 177, 193, 387, 531, 579, 1161, 1593, 1737, 2537, 5211, 7611, 8299, 11387, 22833, 24897, 34161, 68499, 74691, 102483, 224073, 307449, 489641, 1468923, 4406769, 13220307]

約数ペア:

[(1, 13220307), (3, 4406769), (9, 1468923), (27, 489641), (43, 307449), (59, 224073), (129, 102483), (177, 74691), (193, 68499), (387, 34161), (531, 24897), (579, 22833), (1161, 11387), (1593, 8299), (1737, 7611), (2537, 5211)]